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We found that people learn voices very rapidly. We are able to recognize a new voice (and distinguish it from other voices) accurately after as little as 10 minutes of training. While recognition of a voice seems to plateau quite quickly (our recognition doesn't improve with more training), intelligibility does keep improving as training continues up to one hour. We think the benefits of voice familiarity (such as improved intelligibility in everyday settings, helping people with hearing loss or jobs in noisy environments) can be achieved through deliberate training.
Hearing and auditory perception
Pyschological Science 2021, 32(6), 903-915. Available:
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